Carrie Underwood, Tim McGraw, Tom Jones, Jack Black, Judas Priest and Tony Bennett also duetted with this season's finalists, while Bono and The Edge's version of 'Rise Above The Dark' was accompanied by a performance from the Broadway production of Spider-Man: Turn Off The Dark.

Judges Steven Tyler and Jennifer Lopez took part in the festivities as well, with Tyler rousing the crowd with a version of Aerosmith's classic 'Dream On'. Lopez performed a provocative dance number during husband Marc Anthony's performance of 'Aguanile'.